MC74VHC574DT MC74VHC574DTG MC74VHC574DTR2

MC74VHC574DW/MC74VHC574DT/MC74VHC74DT

MC74VHC574DW/MC74VHC74DT/MC74VHC574DT

MC74VHC574DTR2G/MC74VHC259DT/MC74VHC259DTR2G

MC74VHC574DTR2G/MC74VHC259DTR2G/MC74VHC259DT

贴片直插MC74VHC574DT，MC74VHC540MG，MC74VHC541DW，4

贴片直插MC74VHC574DWR2 MC74LVXC3245DT MC74VHC138DR2G 5

贴片直插MC74VHC86DT/MC74VHC74DT/MC74VHC573M/MC74VHC574M/4